Update context.go

all this status was setting in error.go, this line will cause multi-resp

context/context.go

@@ -54,7 +54,6 @@ func (ctx *Context) Redirect(status int, localurl string) {
 // Abort stops this request.
 // if beego.ErrorMaps exists, panic body.
 func (ctx *Context) Abort(status int, body string) {
-	ctx.ResponseWriter.WriteHeader(status)
 	panic(body)
 }